CH597901A5 - - Google Patents

Info

Publication number
CH597901A5
CH597901A5 CH82675A CH82675A CH597901A5 CH 597901 A5 CH597901 A5 CH 597901A5 CH 82675 A CH82675 A CH 82675A CH 82675 A CH82675 A CH 82675A CH 597901 A5 CH597901 A5 CH 597901A5
Authority
CH
Switzerland
Application number
CH82675A
Inventor
Rene Dr Bloch
Judith Auslaender
Original Assignee
Aligena Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aligena Ag filed Critical Aligena Ag
Priority to CH82675A priority Critical patent/CH597901A5/xx
Priority to DE19752505255 priority patent/DE2505255A1/en
Publication of CH597901A5 publication Critical patent/CH597901A5/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011—Casting solutions therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/16—Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • B01D71/12—Cellulose derivatives
    • B01D71/14—Esters of organic acids
    • B01D71/16—Cellulose acetate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
CH82675A 1975-01-23 1975-01-23 CH597901A5 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH82675A CH597901A5 (en) 1975-01-23 1975-01-23
DE19752505255 DE2505255A1 (en) 1975-01-23 1975-02-07 Separation of complex-forming metal ions - by treating aqs. soln. with complex -forming agent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH82675A CH597901A5 (en) 1975-01-23 1975-01-23

Publications (1)

Publication Number Publication Date
CH597901A5 true CH597901A5 (en) 1978-04-14

Family

ID=4196093

Family Applications (1)

Application Number Title Priority Date Filing Date
CH82675A CH597901A5 (en) 1975-01-23 1975-01-23

Country Status (2)

Country Link
CH (1) CH597901A5 (en)
DE (1) DE2505255A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3035134A1 (en) * 1979-09-19 1981-04-09 Aligena AG, Basel POROESE, MODIFIED MEMBRANES BASED ON ULTRAFILTRATION ON THE BASIS OF POLYACRYLNITRILES, PROCESS FOR THEIR PRODUCTION AND THEIR USE
DE3066996D1 (en) * 1979-09-19 1984-04-19 Aligena Ag Porous semipermeable cellulose acetate membranes modified by ionic groups, process for their production and their use
IL63638A0 (en) * 1980-09-16 1981-11-30 Aligena Ag Semipermeable composite membranes,their manufacture and their use
CH649718A5 (en) * 1981-03-25 1985-06-14 Aligena Ag METHOD FOR PRODUCING SEMIPERMEABLED MEMBRANES FROM POLYMERS BASED ON ACRYLNITRILE, THE MEMBRANES PRODUCED BY THIS METHOD, AND THEIR USE.
AU550730B2 (en) * 1982-03-09 1986-04-10 Commonwealth Of Australia, The Automated metal detection
GB8310666D0 (en) * 1983-04-20 1983-05-25 Limit Instant Ltd Treatment of membranes
GB8802069D0 (en) * 1988-01-29 1988-02-24 South West Water Authority Assaying aluminium in drinking water
EP0328275A1 (en) * 1988-01-29 1989-08-16 Analaq Limited Assaying aluminium in drinking water
US5176834A (en) * 1989-08-08 1993-01-05 Board Of Regents Of The University Of Oklahoma Ion expulsion ultrafiltration method

Also Published As

Publication number Publication date
DE2505255A1 (en) 1976-07-29

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Legal Events

Date Code Title Description
PL Patent ceased